2003

With help from NASA scientists and satellites, Central American governments are piecing together a "bio-corridor" of protected lands stretching from Mexico to South America. They hope the gigantic preserve will help their people and the environment flourish together.

This morning the Space ShuttleColumbia left Earth on an extraordinary mission--to study flames that form balls and flit around like UFOs, to collect exotic scents from space-traveling flowers, to reveal the inner workings of the human brain. And much more!